By reading through this page, you can greatly reduce the amount of real estate income tax in Japan.

At the time of investing in a building apartment or house in Japan, they starts aging.
Or she ( Investor = owner of a property ) may purchase a very old real estate and needs to repair it before she uses.

But, before she repairs her property, she needs to know about taxation relating repair cost in Japan.

Otherwise, she has to pay extra real estate income tax in Japan.

She may think that if she pays some money to repair her real estate, she can deduct the amount of her payment from sales at once.

For example, in the case she pays 300,000 yen to repair her real estate, if she can put it down to expense ( Keihi = 経費 ) , she can reduce the amount of taxable income.

But depending on the situation, she can not down the amount of her payment to expense.

If she is not able to do so, the amount of her payment is deemed to be capital expenditure ( = CAPEX = capital spending = 資本的支出 ) .
And in the case of capital expenditure, depreciation ( Genka shokyaku = 減価償却 ) is required.